Base | Representation |
---|---|
bin | 101001100000… |
… | …100101101001 |
3 | 202110211110021 |
4 | 221200211221 |
5 | 10241201020 |
6 | 1025120441 |
7 | 161330104 |
oct | 51404551 |
9 | 22424407 |
10 | 10881385 |
11 | 6162389 |
12 | 3789121 |
13 | 233cab8 |
14 | 163373b |
15 | e4e1aa |
hex | a60969 |
10881385 has 8 divisors (see below), whose sum is σ = 13079880. Its totient is φ = 8690304.
The previous prime is 10881379. The next prime is 10881397. The reversal of 10881385 is 58318801.
It can be written as a sum of positive squares in 4 ways, for example, as 870489 + 10010896 = 933^2 + 3164^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10881385 - 27 = 10881257 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10881385.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2181 + ... + 5149.
It is an arithmetic number, because the mean of its divisors is an integer number (1634985).
Almost surely, 210881385 is an apocalyptic number.
It is an amenable number.
10881385 is a deficient number, since it is larger than the sum of its proper divisors (2198495).
10881385 is an equidigital number, since it uses as much as digits as its factorization.
10881385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3707.
The product of its (nonzero) digits is 7680, while the sum is 34.
The square root of 10881385 is about 3298.6944387136. The cubic root of 10881385 is about 221.5957323549.
The spelling of 10881385 in words is "ten million, eight hundred eighty-one thousand, three hundred eighty-five".
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